Home / 3,254.73-4,477.66-2,874.74

Finding the Fourth Proportional to 3,254.73, 4,477.66 and 2,874.74

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Solution

The fourth proportional to 3,254.73, 4,477.66 and 2,874.74 is: 3,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.73 : 4,477.66 = 2,874.74 : x
  2. Step 2: Convert to fraction form
    3,254.73/4,477.66 = 2,874.74/x
  3. Step 3: Cross multiply
    3,254.73x = 4,477.66 × 2,874.74
  4. Step 4: Simplify right side
    3,254.73x = 12,872,085.92
  5. Step 5: Solve for x
    x = 12,872,085.92/3,254.73
  6. Step 6: Final answer
    x = 3,954.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.